/*
 * Copyright 2019 WeBank
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.webank.wedatasphere.linkis.cs.contextcache.utils;

import java.util.HashSet;
import java.util.Set;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class ContextCacheUtils {

    public static Set<String> getString(String s, String regex) {

        Set<String> keywords = new HashSet<>();
        Pattern p = Pattern.compile(regex);
        Matcher m = p.matcher(s);
        while(m.find()) {
            keywords.add(m.group());

        }
        return keywords;
    }
}
